It keeps running even if it stops being able to detect the key, otherwise if someone threw the key out the window on the motorway you would loose power.
This does lead to the only 'problem', which is that you could drop someone off and drive home, only to then realise that the other person has the key. You'd have to be pretty thick to do this though as it bongs the moment it can't find the key anymore
This does lead to the only 'problem', which is that you could drop someone off and drive home, only to then realise that the other person has the key. You'd have to be pretty thick to do this though as it bongs the moment it can't find the key anymore